It ____ snow very often in Shanghai.A.isn't B.doesn't还有请回答我的问题:1.为什么要选这个?2.is和are在这样类型的句子中怎么区别啊?我老是做错3.句中very 有用法和例句最好.请快一些,

we have a lot of snow in winter.【同义句 it ____ ____ ____ in winter. Look at the ____(snow)!It's____(snow) heavily now. There's a heavy _____(snow).It's ____(snow). Does it ____ snow in Beijing. 用所给动词的适当的形式填空:(snow) It ____,and the weather in very cold. A lot of countries never have snow-or they have it only on the tops of very high mounts it's very nice of you.同意句 以 it‘s very ____ ____you.填写 the first fall of snow came suddenly,and it was very heavy,这里面的heavy是指什么意思? The snow is very ___(疏松)and there is a lot of air in it.顺便翻译一下 It's [ ][snow] in Moscow and it's very cold. it is very cold these days.it will [snow] soon.[snow时态对不对?] It's a very heavy snow.(改为感叹句)___ ___ heavy snow it is! There is a lot of ____(snow)here.Itoften ____(snow) It ______(snow).The weather is very cold. The ( ) (sonw) is very heavy.It is a ( )(snow) day. It would also snow there,which is very pretty. It (snow)heavily now and the weather is very cold.It (snow)heavily now and the weather is very cold. There is a lot of ____ in this city ,so it's always ____.A.rain;rainy B.snow;snowingC.rainy;raining D.cloudy;windy